Home / 1,185,405.90-1,777,958.88-375,798.21

Finding the Fourth Proportional to 1,185,405.90, 1,777,958.88 and 375,798.21

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Solution

The fourth proportional to 1,185,405.90, 1,777,958.88 and 375,798.21 is: 563,649.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,405.90 : 1,777,958.88 = 375,798.21 : x
  2. Step 2: Convert to fraction form
    1,185,405.90/1,777,958.88 = 375,798.21/x
  3. Step 3: Cross multiply
    1,185,405.90x = 1,777,958.88 × 375,798.21
  4. Step 4: Simplify right side
    1,185,405.90x = 668,153,764,557.61
  5. Step 5: Solve for x
    x = 668,153,764,557.61/1,185,405.90
  6. Step 6: Final answer
    x = 563,649.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.